VELUX BDX SK06 2000F Insulation and Underfelt Collar - 114cm x 118cm

With a wide range of sizes available to suit your VELUX roof windows, this BDX insulation collar and BFX underfelt collar are suitable for use in recessed installations. By fitting 40mm deeper into your roof™s structure, your roof window will have a streamlined finish with minimal protrusion above the roofline.The red lines along your window™s frame will indicate where you need to position your brackets for a recessed installation.Features & Benefits: VELUX BDX SK06 2000F Insulation and Underfelt Collar - 114cm x 118cm, Available in a range of sizes, Insulates the window frame, Creates watertight seals, Reduces the risk of condensation, BDX insulation collar and BFX underfelt collar included, Quick and simple to install for all weather conditions, For use with recessed installationsThe BDX insulation collar provides insulation for your roof window™s frame to minimise heat and diminish cold bridges. Easily compressed for a speedy installation process, it combines both flexibility and rigidity of the foam for optimal construction security and energy efficiency.The BFX underfelt collar is easy to install and ensures a precise fit and watertight seal between the roofing underfelt, battens and window. You can simply position it on top of the window and unfold. It comes equipped with an adjustable and self-supporting drainage gutter that diverts rainwater away from the window in the case of broken tiles or leaks.. VELUX BDX SK06 2000F Insulation and Underfelt Collar - 114cm x 118cm